A good way to start an argument among biologists is to ask them what seems a simple question: "What is a species?" To evolutionary theorists, a species is a fundamental unit, and transitions between ...

At first glance, American paddlefish and Russian sturgeon seem about as different as two fish can be. The Russian sturgeon, whose eggs are used to make top-shelf caviar, is a carnivore that hoovers ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

A liger has been born in a private zoo in Romania. The 9-week-old male cub, with a lion for a father and a tiger for a mother, is thriving, vet Gabriel Gaspar told dpa. The unusual cross has been ...